Date: Mon, 13 Nov 2023 21:54:16 +1030 From: "Daniel O'Connor" <darius@dons.net.au> To: =?utf-8?B?6aKo5L6G5pWj5Lq6?= <furaisanjin@gmail.com> Cc: freebsd-arm@freebsd.org Subject: Re: Conflict DS1307 and MAX77620 Message-ID: <F7198E6E-D56C-4B51-8B1C-BBFBE6D7A2BB@dons.net.au> In-Reply-To: <CAJzLSnzUeLhNcOOM7zyxJJrY67_t3V0Gxt3ujSo9C8itXnfdnw@mail.gmail.com> References: <CAJzLSnzUeLhNcOOM7zyxJJrY67_t3V0Gxt3ujSo9C8itXnfdnw@mail.gmail.com>
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> On 13 Nov 2023, at 08:59, =E9=A2=A8=E4=BE=86=E6=95=A3=E4=BA=BA = <furaisanjin@gmail.com> wrote: > I found that a similar discussion was done almost 2 years ago. >=20 > = https://lists.freebsd.org/archives/freebsd-arm/2021-November/000600.html >=20 > I'm using the official FreeBSD 13.2 release. >=20 > uname -a > FreeBSD macavity 13.2-RELEASE-p4 FreeBSD 13.2-RELEASE-p4 GENERIC arm64 > freebsd-version -kru > 13.2-RELEASE-p4 > 13.2-RELEASE-p4 > 13.2-RELEASE-p5 >=20 > I created overlay dtb files for i2c and ds1307, and loaded them at = boot. FreeBSD detected ds1360 as MAX77620 like below. >=20 > Nov 12 16:17:18 localhost kernel: rtc1: <MAX77620 RTC> at addr 0xd0 on = iicbus0 > Nov 12 16:17:18 localhost kernel: rtc1: registered as a time-of-day = clock, resolution 1.000000s >=20 > My SBC just has Allwinner H5 and nothing like tegra210. I created a = custom kernel to remove tegra210. The custom kernel is fine and can = detect ds1307 correctly. >=20 > Nov 13 06:21:52 localhost kernel: ds13070: <Dallas DS1307> at addr = 0xd0 on iicbus0 > Nov 13 06:21:52 localhost kernel: ds13070: registered as a time-of-day = clock, resolution 1.000000s >=20 > Is there any way to disable max77620 without creating a custom kernel? I think the way the time is accessed is compatible - or at least I have = the same confusion (on an RPi4 hat) but the time keeping works fine. That said it would be nice to fix - are you able to try the suggested = change by Ian? -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum
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